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Caption

Human brain. Sagittal magnetic resonance imaging (MRI) scan of the brain of a 30-year-old woman. Part of the skull is shown by a 3D computed tomography (CT) scan. Structures visible in the brain MRI scan include the cerebellum (rear base of the brain), the pituitary gland (behind the eyes), and the structures and ventricles between the two brain hemispheres (centre).